Prosol Chemicals Pvt. Ltd. Offers Corsafe VCI Paper for All Ferrous and Non-Ferrous Metals. Prosol Chemicals Pvt. Ltd also offers metal-working, metal treatment and metal protection products for the Engineering Industry. Corsafe VCI Paper for All Ferrous and Non-Ferrous Metals fall under the category of Corsafe VCI Products. It is a reliable, convenient form of corrosion protection for all ferrous and non-ferrous metals. Corsafe VCI Paper is made from premium grade kraft paper, with a 3 stage impregnation of VCI chemicals. The chemical treatment is absorbed by the paper fibers and provides a vapor barrier against atmospheric corrosion. It is available as Plain Kraft paper or Plain Kraft paper with Polythene coating [Polycoated], which acts as a moisture and vapour barrier for added protection.